North American Database of Archaeological Geophysics
North American Database of Archaeological Geophysics
Graphic/Image:
Project Name: Johnson's Island Confederate Stockade Cemetery, Sandusky Bay, Ohio;
Reference: Johnson, W.J., D.W. Johnson, G. Gozdzik (2001). Geophysics Comes of Age in North American Archeology. Paper Presented at Society of American Archaeology, 66th Annual Meeting, New Orleans, Louisiana, April 18-22, 2001.
GPR image
that exhibits a well-pronounced reflection that is likely
an air-filled
or metallic coffin at approximately 0.8 meters deep.